The year is 2111. The world has overpopulated. Earth has been split in two, the western side consisting of USA and surrounding countries and the eastern side, consisting of Europe, Asia and Oceania. 2/3 of the world's population were sent to the western side to survive alone, it is now a barbaric wasteland. The remaning third live on the eastern side, using Europe for farming and power, and Asia for living in futuristic cities. Pollution is severely high everywhere. Asia is now known as Theria.